NL188255B - DEVICE FOR PROTECTING AN AUDIO AMPLIFIER AGAINST OVERLOAD OR SHORT CIRCUIT - Google Patents

DEVICE FOR PROTECTING AN AUDIO AMPLIFIER AGAINST OVERLOAD OR SHORT CIRCUIT

Info

Publication number
NL188255B
NL188255B NLAANVRAGE7811584,A NL7811584A NL188255B NL 188255 B NL188255 B NL 188255B NL 7811584 A NL7811584 A NL 7811584A NL 188255 B NL188255 B NL 188255B
Authority
NL
Netherlands
Prior art keywords
protecting
short circuit
audio amplifier
against overload
amplifier against
Prior art date
Application number
NLAANVRAGE7811584,A
Other languages
Dutch (nl)
Other versions
NL7811584A (en
NL188255C (en
Original Assignee
Novanex Automation Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Novanex Automation Nv filed Critical Novanex Automation Nv
Priority to NLAANVRAGE7811584,A priority Critical patent/NL188255C/en
Priority to DE2947062A priority patent/DE2947062C2/en
Priority to GB7940456A priority patent/GB2037112B/en
Priority to FR7928958A priority patent/FR2442545A1/en
Priority to US06/097,159 priority patent/US4322690A/en
Publication of NL7811584A publication Critical patent/NL7811584A/en
Publication of NL188255B publication Critical patent/NL188255B/en
Application granted granted Critical
Publication of NL188255C publication Critical patent/NL188255C/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
NLAANVRAGE7811584,A 1978-11-24 1978-11-24 DEVICE FOR PROTECTING AN AUDIO AMPLIFIER AGAINST OVERLOAD OR SHORT CIRCUIT NL188255C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NLAANVRAGE7811584,A NL188255C (en) 1978-11-24 1978-11-24 DEVICE FOR PROTECTING AN AUDIO AMPLIFIER AGAINST OVERLOAD OR SHORT CIRCUIT
DE2947062A DE2947062C2 (en) 1978-11-24 1979-11-22 Arrangement for protecting against overload or short circuit of an audio amplifier
GB7940456A GB2037112B (en) 1978-11-24 1979-11-22 Protecting an audio amplifier against overload or short-circuit
FR7928958A FR2442545A1 (en) 1978-11-24 1979-11-23 PROTECTION DEVICE OF A LOW FREQUENCY AMPLIFIER AGAINST OVERLOADS AND SHORT CIRCUITS
US06/097,159 US4322690A (en) 1978-11-24 1979-11-26 Device for protecting an audio amplifier against overload or short-circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7811584 1978-11-24
NLAANVRAGE7811584,A NL188255C (en) 1978-11-24 1978-11-24 DEVICE FOR PROTECTING AN AUDIO AMPLIFIER AGAINST OVERLOAD OR SHORT CIRCUIT

Publications (3)

Publication Number Publication Date
NL7811584A NL7811584A (en) 1980-05-28
NL188255B true NL188255B (en) 1991-12-02
NL188255C NL188255C (en) 1992-05-06

Family

ID=19831950

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7811584,A NL188255C (en) 1978-11-24 1978-11-24 DEVICE FOR PROTECTING AN AUDIO AMPLIFIER AGAINST OVERLOAD OR SHORT CIRCUIT

Country Status (5)

Country Link
US (1) US4322690A (en)
DE (1) DE2947062C2 (en)
FR (1) FR2442545A1 (en)
GB (1) GB2037112B (en)
NL (1) NL188255C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429701A1 (en) * 1984-08-11 1986-02-20 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen OVERLOAD PROTECTION CIRCUIT FOR A LOW-FREQUENCY AMPLIFIER
IT1214614B (en) * 1985-06-12 1990-01-18 Ates Componenti Elettron PROTECTION DEVICE AGAINST SHORT CIRCUITS OF THE FINAL STAGE OF A POWER AMPLIFIER.
SE453784B (en) * 1986-07-04 1988-02-29 Ericsson Telefon Ab L M CIRCUIT
US5039952A (en) * 1990-04-20 1991-08-13 International Business Machines Corp. Electronic gain cell
FR2741212B1 (en) * 1995-11-14 1998-01-30 Sgs Thomson Microelectronics DEVICE FOR LIMITING THE OUTPUT CURRENT OF AN OPERATIONAL AMPLIFIER

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057767A (en) * 1974-01-24 1977-11-08 Novanex Automation N. V. Device for protecting an audio amplifier against overload or short circuit
NL160684C (en) * 1974-01-24 1979-11-15 Novanex Automation Nv DEVICE FOR OVERLOADING OR SHORT-CIRCUIT PROTECTION OF AN AUDIO AMPLIFIER.

Also Published As

Publication number Publication date
FR2442545B3 (en) 1981-10-16
NL7811584A (en) 1980-05-28
FR2442545A1 (en) 1980-06-20
NL188255C (en) 1992-05-06
DE2947062A1 (en) 1980-06-04
GB2037112A (en) 1980-07-02
US4322690A (en) 1982-03-30
DE2947062C2 (en) 1987-04-02
GB2037112B (en) 1983-04-13

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee